Final answer:
The question seems to query about uncommon terminology used in redox chemistry. The terms 'agent', 'potential', and 'couple' are relevant to redox reactions, involving electron exchange and are often encountered in high school chemistry education.
Step-by-step explanation:
- Presuming the question is about "lesser known reduction terminology in redox reactions," typically encountered in high school chemistry, we can think of the following terms:
- Agent - A substance that brings about the reduction (gains electrons) is known as the reducing agent, whereas the one that is reduced (loses electrons) is the oxidizing agent.
- Potential - The reduction potential is a measure of the tendency of a chemical species to acquire electrons and thereby be reduced.
- Couple - A redox couple consists of a reducing agent and its conjugate oxidizing agent, such as Fe2+/Fe3+.